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  <title>Description of opoly</title>
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<h1>opoly
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<h2><a name="_name"></a>PURPOSE <a href="#_top"><img alt="^" border="0" src="../up.png"></a></h2>
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<h2><a name="_description"></a>DESCRIPTION <a href="#_top"><img alt="^" border="0" src="../up.png"></a></h2>
<div class="fragment"><pre class="comment">
   opolyfit     OPOLYFIT(x,y,n) finds the n coefficients of a polynomial
         formed from the data in row vector x that fits the data
         in row vector y in a least-squares sense. Orthogonal
         polynomials are used to improve accuracy. See also polyfit.

         c = opolyfit(x,y,n)
         c  ---    coefficient vector, size n

         References:
         G. E. Forsythe, &quot;Generation and use of orthogonal poly-
         nomials for data fitting on a digital computer&quot;,
         J. SIAM, 5(1957), 74-88.

         P. F. Hultquist, &quot;Numerical Methods for Engineers and
         Computer Scientists&quot;, Benjamin-Cummings, 1988.

         Copyright 1992. Gordon    J. Frazer, Signal Processing Research
         Laboratory, and Roy J. Hughes, Laboratory for Instrumental and
         Developmental Chemistry, QUT, Brisbane, AUSTRALIA, 1992.
         Email:    g.frazer@qut.edu.au or    r.hughes@qut.edu.au</pre></div>

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